iodine

Tool for tunneling IPv4 data through a DNS server

Platforms: Linux · Last verified September 6, 2026

This is a piece of software that lets you tunnel IPv4 data through a DNS server. This can be usable in different situations where internet access is firewalled, but DNS queries are allowed.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

Install on Kali Linux with `sudo apt install iodine`. See the official Kali tool page and upstream homepage linked above for full usage and configuration details.

Commonly preinstalled on

Kali Linux

Debian-based distribution built for penetration testing and security auditing